Callum Creek, Langford Creek, and Gap map-areas, Alberta
By: R.J.W. Douglas.
Series: Memoir / Geological Survey ;; 402; Memoir (Geological Survey of Canada) ;; 402.
Publisher: Geological Survey of Canada; Canadian Govt. Pub. Centre, Supply and Services Canada [distributors]
Published: 1981
Place of publication: Ottawa; Hull, Quebec
Language: eng
Number of pages: 124
Subjects: Geology -- Alberta.
Notes: Includes index.
Four folded maps in pocket.
"Reprinted from  Memoir 255, which was published in 1950."